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authorStephen Hemminger <shemminger@osdl.org>2006-06-05 17:30:08 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-17 21:29:29 -0700
commit72dc5b9225c53310c010b68a70ea97c8c8e24bdf (patch)
treeebd23e7cbe9846414b6fa8f8327f37043447e019 /net/ipv4/tcp_veno.c
parenta4ed25849532728effaa0665c92e08e029e41407 (diff)
[TCP]: Minimum congestion window consolidation.
Many of the TCP congestion methods all just use ssthresh as the minimum congestion window on decrease. Rather than duplicating the code, just have that be the default if that handle in the ops structure is not set. Minor behaviour change to TCP compound. It probably wants to use this (ssthresh) as lower bound, rather than ssthresh/2 because the latter causes undershoot on loss. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_veno.c')
-rw-r--r--net/ipv4/tcp_veno.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/net/ipv4/tcp_veno.c b/net/ipv4/tcp_veno.c
index 1091671751c4..11b42a7135c1 100644
--- a/net/ipv4/tcp_veno.c
+++ b/net/ipv4/tcp_veno.c
@@ -199,17 +199,10 @@ static u32 tcp_veno_ssthresh(struct sock *sk)
return max(tp->snd_cwnd >> 1U, 2U);
}
-static u32 tcp_veno_min_cwnd(struct sock * sk)
-{
- const struct tcp_sock *tp = tcp_sk(sk);
- return tp->snd_ssthresh;
-}
-
static struct tcp_congestion_ops tcp_veno = {
.init = tcp_veno_init,
.ssthresh = tcp_veno_ssthresh,
.cong_avoid = tcp_veno_cong_avoid,
- .min_cwnd = tcp_veno_min_cwnd,
.rtt_sample = tcp_veno_rtt_calc,
.set_state = tcp_veno_state,
.cwnd_event = tcp_veno_cwnd_event,